# Invader Sisters vs Mahjong Sort

The clearest difference is update cadence: Mahjong Sort at every 3 days against Invader Sisters's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Invader Sisters ships an update every 2 weeks, Mahjong Sort every 3 days. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Invader Sisters | Mahjong Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 19 MB | 18 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ERX](https://appshunter.io/developer/513941286) | [玉娥 李](https://appshunter.io/developer/1710233000) |

## What reviewers say

### Invader Sisters

[App page](https://appshunter.io/ios/app/invader-sisters/id939103577)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mahjong Sort

[App page](https://appshunter.io/ios/app/mahjong-sort/id6740538759)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invader Sisters free?

Invader Sisters is free to download, with no in-app purchases.

### Is Mahjong Sort free?

Mahjong Sort is free to download, with no in-app purchases.

### Do Invader Sisters or Mahjong Sort have ads?

Both Invader Sisters and Mahjong Sort show ads.

### Which is updated more often, Invader Sisters or Mahjong Sort?

Invader Sisters ships an update every 2 weeks, and Mahjong Sort every 3 days. Most recently, Invader Sisters was updated on October 5, 2026 and Mahjong Sort on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*